Home / 127,188.08-175,520.76-70,604.72

Finding the Fourth Proportional to 127,188.08, 175,520.76 and 70,604.72

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Solution

The fourth proportional to 127,188.08, 175,520.76 and 70,604.72 is: 97,435.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,188.08 : 175,520.76 = 70,604.72 : x
  2. Step 2: Convert to fraction form
    127,188.08/175,520.76 = 70,604.72/x
  3. Step 3: Cross multiply
    127,188.08x = 175,520.76 × 70,604.72
  4. Step 4: Simplify right side
    127,188.08x = 12,392,594,113.99
  5. Step 5: Solve for x
    x = 12,392,594,113.99/127,188.08
  6. Step 6: Final answer
    x = 97,435.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.